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Paha777 [63]
3 years ago
6

What is reflection of light question mark write the laws of reflection of light ​

Physics
1 answer:
Zarrin [17]3 years ago
3 0

Answer:

Reflection of light means the bouncing back of light in another direction after hitting a smooth polished surface

<h3><u>laws </u><u>of </u><u>reflection</u></h3>

1) Angie of incidence is equal to the angle of reflection

2) The nornal ray, reflected ray and the incident ray all lie in the same plane

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Why do objects appear to be bent when partially submerged under water?
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Can the enzyme DNA polymerase be used to break down lactose
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A reaction taking place in a container with a piston-cylinder assembly at constant temperature produces a gas, and the volume in
djverab [1.8K]

Answer:

60.4 J

Explanation:

The work done by the gas is given by:

W=p(V_f-V_i)

where

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V_i is the initial volume

We must convert all the quantities into SI units:

p=860 torr \cdot \frac{1.013\cdot 10^5 pa}{760 torr}=1.146\cdot 10^5 Pa

V_i = 127 mL = 0.127 L = 0.127 dm^3 = 0.127 \cdot 10^{-3}m^2

V_f = 654 mL = 0.654 L = 0.654 dm^3 = 0.654 \cdot 10^{-3}m^2

So the work done is

W=(1.146\cdot 10^5 Pa)(0.654\cdot 10^{-3} m^3-0.127\cdot 10^{-3} m^3)=60.4 J

4 0
3 years ago
Choose the correct description, of what happens to the electron speeds in a more massive white dwarf. Choose the correct descrip
tester [92]

Answer:

As the mass of a white dwarf increases, the pressure must increase to resist gravity. To do this, the electrons must move faster.

Explanation:

A white dwarf also known as degenerate dwarf is a star or an electron degenerate matter and is as massive as the Sun but only about as large in size as planet Earth.

The maximum mass of a white dwarf is about 1.4 times the mass of the Sun.

Also, as the mass of a white dwarf increases, the pressure must increase to resist gravity and to do this, the electrons must move faster.

4 0
3 years ago
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